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caoshouqi
Adventurer
Adventurer
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Registered: ‎10-22-2017

dp1.2 ip the problem of no output display after multiple resets

The problem of no output display after multiple resets of dp1.2 ip
In the process of debugging dp1.2, it is found that if the IP is reset for many times, there will be occasional phenomenon of no display on the opposite end screen. After checking some registers of the dpcd and the controller, it is normal. The above test phenomenon is the same, and the two versions of vivado 2019.1 and 2020.2 have been tried. The phenomenon is the same. Help and see if there are any suggestions,

thanks.

 

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florentw
Moderator
Moderator
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Registered: ‎11-09-2015

Hi @caoshouqi 

Is the link trained?

Is it a soft or hard reset? What are you reseting? Only the core, the full system, the application?

What is the time during 2 resets? 

Did you try to perform a soft reset of the core after seeing no display as mentioned in the PG199:

florentw_0-1619437347163.png

What happens if you do a HDP? Will the monitor show anything?

 


Florent
Product Application Engineer - Xilinx Technical Support EMEA
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